Home / 723,495.03-1,085,398.07-243,770.50

Finding the Fourth Proportional to 723,495.03, 1,085,398.07 and 243,770.50

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Solution

The fourth proportional to 723,495.03, 1,085,398.07 and 243,770.50 is: 365,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,495.03 : 1,085,398.07 = 243,770.50 : x
  2. Step 2: Convert to fraction form
    723,495.03/1,085,398.07 = 243,770.50/x
  3. Step 3: Cross multiply
    723,495.03x = 1,085,398.07 × 243,770.50
  4. Step 4: Simplify right side
    723,495.03x = 264,588,030,222.94
  5. Step 5: Solve for x
    x = 264,588,030,222.94/723,495.03
  6. Step 6: Final answer
    x = 365,708.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.